Siemens SCALANCE W778-1 Operating Instructions Manual page 52

Technical specifications
Technical specifications
Wireless interface
Antenna connector
Frequency range
Electrical data
Power supply
Fusing
Current consumption
Power loss at 24 VDC
Permitted ambient conditions
Ambient temperature
Relative humidity
Operating altitude
Contaminant concentration
Design, dimensions and weight
Degree of protection
Weight
Dimensions (W x H x D)
Installation options
Mean time between failure (MTBF)
52
Quantity
Design
Impedance
Supply voltage from socket
Permitted range
+/- 30 %
•
Design
Properties
Supply voltage from PoE
Permitted range
At 24 VDC / typical
With PoE / typical
At 24 VDC / typical
With PoE / typical
During operation
During storage
During transportation
During operation
During operation
According to IEC 60721
IP65
1040 g
140 x 160 x 45 mm
(height without antenna connector 149 mm)
Wall mounting
•
Installation on a DIN rail
•
– with DIN rail mounting adapter
– additionally with bracket support to install the device rotated through 90°
at 40 °C ambient temperature
2
N-Connect socket
50 Ω nominal
2412 ... 2480 MHz
4920 ... 5875 MHz
24 VDC Safe Extra Low Voltage (SELV)
16.8 to 31.2 VDC
•
M12 socket
Electrically isolated, redundant design
PoE to 24 VDC non-redundant design
48 VDC
36 to 57 VDC
2 A / 24 VDC
1 A / 48 V PoE
250 mA
125 mA
6 W
6 W
-20 ℃ to +60 ℃
-40 ℃ to +85 ℃
-40 ℃ to +85 ℃
≤ 95% at 25 °C, no condensation
≤ 2,000 m above sea level at max. 60 °C
ambient temperature
61 years
SCALANCE W778-1 /W738-1
Operating Instructions, 01/2107, C79000-G8976-C450-01